/***********************************************************************
*                                                                      *
*               This software is part of the ast package               *
*          Copyright (c) 1985-2009 AT&T Intellectual Property          *
*                      and is licensed under the                       *
*                  Common Public License, Version 1.0                  *
*                    by AT&T Intellectual Property                     *
*                                                                      *
*                A copy of the License is available at                 *
*            http://www.opensource.org/licenses/cpl1.0.txt             *
*         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
*                                                                      *
*              Information and Software Systems Research               *
*                            AT&T Research                             *
*                           Florham Park NJ                            *
*                                                                      *
*                 Glenn Fowler <gsf@research.att.com>                  *
*                  David Korn <dgk@research.att.com>                   *
*                   Phong Vo <kpv@research.att.com>                    *
*                                                                      *
***********************************************************************/
#pragma prototyped
/*
 * Glenn Fowler
 * AT&T Bell Laboratories
 *
 * return ls -l style file mode string given file mode bits
 * if external!=0 then mode is modex canonical
 */

#include "modelib.h"

char*
fmtmode(register int mode, int external)
{
	register char*		s;
	register struct modeop*	p;
	char*			buf;

	if (!external)
		mode = modex(mode);
	s = buf = fmtbuf(MODELEN + 1);
	for (p = modetab; p < &modetab[MODELEN]; p++)
		*s++ = p->name[((mode & p->mask1) >> p->shift1) | ((mode & p->mask2) >> p->shift2)];
	*s = 0;
	return buf;
}